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4257-792 — BRAKE BOOSTER ASSEMBLY,MASTER CY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

4257-792: BRAKE BOOSTER ASSEMBLY,MASTER CY.

BRAKE BOOSTER ASSEMBLY,MASTER CY. This part is cataloged in the U.S. Government catalog under NSN 2530-01-261-9447, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
4257-792
NSN: 2530-01-261-9447
FSC: 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
CAGE: K0667 — APPH LTD (GBR)
SPECIFICATIONS
Part Number4257-792
NSN2530-01-261-9447
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BRAKE BOOSTER ASSEMBLY,MASTER CY TITLE COMPONENT PN 4257-792 MFR BRAKE BOOSTER ASSEMBLY
OTHER ITEMS IN FSC 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2530-00-001-0012 2530-00-001-0035 2530-00-001-2633 2530-00-001-3371 2530-00-001-3390 2530-00-001-3393 2530-00-001-3426 2530-00-001-3427
SUBSTITUTES & CROSS-REFERENCES 1
372158Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4257-792?
4257-792 is a BRAKE BOOSTER ASSEMBLY,MASTER CY.
What parts can replace 4257-792?
There is 1 known substitute for 4257-792: 372158. Substitute compatibility should be verified for your specific system.
What is the NSN for 4257-792?
4257-792 is cataloged in the U.S. Government catalog under NSN 2530-01-261-9447. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.